Chapter 2 System Overview
2.4.9 GRAPHICS SUBSYSTEM
Two types of graphics subsystems are offered as standard in these systems; integrated and
external. The 82815 GMCH component includes an AGP 4X interface and a Direct AGP graphics
controller. The “integrated” configuration uses the graphics controller within the 82815 GMCH to
drive an RGB monitor. The “external” configuration features an AGP graphics controller that, due
to its presence on the AGP bus, disables the GMCH's integrated controller.
NOTE: Small Form Factor units do not have an AGP slot and are shipped as using the
integrated Direct AGP graphics solution or with an embedded NVIDIA TNT2 Pro
graphics controller. The customer must choose which graphics solution at the time of
purchase.
The Slim Desktop and Configurable Minitower units feature an AGP slot that is used for either
mounting a AGP graphics card or for mounting a GPA/AIMM card that supports the integrated
i740 controller. The AGP slot includes both Type 1 and Type 2 retention mechanisms. Dual-
monitor support is possible by adding a PCI graphics card to either configuration. Table 2-4 lists
the key features of the standard graphics subsystems employed in these systems:
Table 2-4. Standard Graphics Subsystem Comparison
Table 2-4.
Standard AGP Graphics Comparison
Integrated
GMCH's
Controller
NVIDIA
TNT2 PRO
NVIDIA
Quadro2 EX
NVIDIA
Quadro2 MXR
Matrox
Millennium
G450
Std. Config. In EN EN [2] / Evo Wkstn. AP230 Wkstn. AP230 Wkstn. AP230
Recommended
for:
Hi 2D,
Entry 3D
Hi 2D,
Entry 3D
Hi 2D,
Entry 3D
Hi 2D,
Entry 3D
Multi-monitor
Hi 2D
Bus Type Direct AGP AGP 2X/4X AGP 2X/4X AGP 2X/4X AGP 2X/4X
Mem. Amount 4 MB [1] 16 MB 32 MB 32 MB 32 MB
Mem. Type SDRAM SGRAM SDRAM SDRAM DDR SDRAM
DAC Speed 230 MHz 300 MHz 350 MHz 350 MHz 350 MHz [4]
Max. 2D Res. @
# of colors
1600x1200
@ 256
1920x1200
@ 16.7M
1920x1200
@ 16.7M
1920x1200
@ 16.7M
2048x768
@ 65K
Software
Compatibility
Direct Draw,
Direct 3D,
Active Movie,
Media Player
Quick Draw,
DCI/DirectX,
Direct Draw,
Direct Show,
MPEG 1/2,
Indeo
Quick Draw,
DCI/DirectX,
Direct Draw,
Direct Show,
MPEG 1/2,
Indeo
Quick Draw,
DCI/DirectX,
Direct Draw,
Direct Show,
MPEG 1/2,
Indeo
Quick Draw,
DCI/DirectX,
Direct Draw,
MPEG 1/2,
OpenGL,
Direct 3D
Aux. I/O None VESA I/F VESA I/F VESA I/F VESA I/F
Outputs 1 RGB 1 RGB 1 RGB 1 RGB, 1 DVI 2 RGB
Upgrade path Add
AGP card [3]
Add
AGP card [3]
Replace
AGP card
Replace
AGP card
Replace
AGP card
NOTES:
[1] Display cache resident on Deskpro EN SFF system board.
Installed as a GPA/AIMM on Deskpro EN SDT/CMT systems.
[2] Controller and memory resident on Deskpro EN SFF system board.
Separate card on Deskpro EN SDT/CMT systems.
[3] Deskpro EN SFF systems "upgradeable" with PCI graphics card only.
[4] Primary RAMDAC. Secondary RAMDAC operates @ 200 MHz.
Compaq Deskpro and Evo Personal Computers
Featuring Intel Celeron and Pentium III Processors
Fifth Edition – March 2002
2-18
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